3309690 has 16 divisors (see below), whose sum is σ = 7943328. Its totient is φ = 882576.

The previous prime is 3309689. The next prime is 3309701. The reversal of 3309690 is 969033.

3309690 is nontrivially palindromic in base 14.

It is a super-2 number, since 2×3309690² = 21908095792200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 110323 = 3309690 / (3 + 3 + 0 + 9 + 6 + 9 + 0).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55132 + ... + 55191.

It is an arithmetic number, because the mean of its divisors is an integer number (496458).

Almost surely, 2^3309690 is an apocalyptic number.

3309690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3309690 is an abundant number, since it is smaller than the sum of its proper divisors (4633638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3309690 is a wasteful number, since it uses less digits than its factorization.

3309690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110333.

The product of its (nonzero) digits is 4374, while the sum is 30.

The square root of 3309690 is about 1819.2553421661. The cubic root of 3309690 is about 149.0261353791.

The spelling of 3309690 in words is "three million, three hundred nine thousand, six hundred ninety".